air hole

noun

1. an opening to admit or discharge air.

2. a natural opening in the frozen surface of a river or pond.

3. air pocket.

air hole

noun

1. a hole that allows the passage of air, esp for ventilation

2. a section of open water in a frozen surface

3. a less common name for air pocket

Word History and Origins

Origin of air hole¹

First recorded in 1760–70